What is an alternate key? MCQ with Answer and Explanation

What is an alternate key?
A. A super key with extra attributes
B. A candidate key that is not chosen as the primary key
C. A foreign key
D. The primary key
Answer: Option B
Solution (By JKSSB Mock Tests)
An alternate key is any candidate key that is not the primary key.

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Practice More Database Management System (DBMS) Questions

Question #1
In SQL, which operator is used to combine two conditions and returns true if both are true?
A. XOR
B. OR
C. NOT
D. AND

Correct Answer: Option D


Explanation:
The AND operator returns true only if both conditions are true.

This question belongs to: Computer Database Management System (DBMS)
Question #2
Which of the following best defines a Database?
A. A collection of related data organized for easy access
B. A single file containing text
C. Hardware used to store programs
D. Software for creating spreadsheets

Correct Answer: Option A


Explanation:
A database is an organized collection of related data stored electronically for efficient retrieval and management.

This question belongs to: Computer Database Management System (DBMS)
Question #3
Which of the following is a collection of related data that is stored in a structured format?
A. DBMS
B. Data warehouse
C. Database
D. Information

Correct Answer: Option C


Explanation:
A database is an organized collection of related data, typically stored electronically and accessed through a DBMS.

This question belongs to: Computer Database Management System (DBMS)